匿名用户 2021-10-08 23:13 数学类Mathematics

To calculate li1-1+n(1+sin2x) (x2-1)

匿名用户 2021-10-08 23:13 数学类Mathematics

1-1-2 2a2 Let A= 0-2, B=-2-3, and A~B, to calculate a and b.0-1-1001

匿名用户 2021-10-08 23:12 数学类Mathematics

L: y=(-1sxs1) fill the Y-axis geometry with water, pull the water out of the top, and calculate how much work is done.

匿名用户 2021-10-08 23:12 数学类Mathematics

Let y=y(x) is differential equation y"+y(x-1)+ =e* satisfy the initial conditions y() 0, y'() 1. To calculate lim ()-3

匿名用户 2021-10-08 23:11 数学类Mathematics

A binary function u=u(x, y)meet: Au =2x+4yAy +o(p), in which=(ax)2+(ay)andu(0.0)=2, calculate thez,y)inx2+4y≤4the minimu... 查看全部

匿名用户 2021-10-08 23:10 数学类Mathematics

Letf(x) be continuous and(0)=0,f(0)=3,D={(x,y)|x2+y2≤t2,t>0},andf(t-x2+y2)dxdy~at(t→0+). Compute and.

匿名用户 2021-10-08 23:10 数学类Mathematics

Let's say the probability density of population x isA-)22)= e 20 f(x;,x≥μ,0x<μ, Where u is known parameter,>0 is a... 查看全部

匿名用户 2021-10-08 23:09 数学类Mathematics

Let the random variables X and Y be independent, X obeys the exponential distribution of parameter 1, and the probabilit... 查看全部

匿名用户 2021-10-08 23:09 数学类Mathematics

-2-21210 Known matrix A=2x -2 is similar to matrix B=0-1 0 (1)The x,00-200 (1)Find the invertible matrix P such that PAP... 查看全部

匿名用户 2021-10-08 21:58 数学类Mathematics

Let=x1-x2dx(n=0,1,2,…). (1)Prove that the sequence lanl is decreasing monotonically, and a, =-1n+2an-2(n=2,3,…)a (2)Calc... 查看全部